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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "absl/functional/bind_front.h"
#include "modules/congestion_controller/include/receive_side_congestion_controller.h"
#include "modules/pacing/packet_router.h"
#include "modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
#include "modules/rtp_rtcp/source/byte_io.h"
namespace webrtc {
void FuzzOneInput(const uint8_t* data, size_t size) {
size_t i = 0;
if (size < sizeof(int64_t) + sizeof(uint8_t) + sizeof(uint32_t))
return;
SimulatedClock clock(data[i++]);
PacketRouter packet_router;
ReceiveSideCongestionController cc(
&clock,
absl::bind_front(&PacketRouter::SendCombinedRtcpPacket, &packet_router),
absl::bind_front(&PacketRouter::SendRemb, &packet_router), nullptr);
RTPHeader header;
header.ssrc = ByteReader<uint32_t>::ReadBigEndian(&data[i]);
i += sizeof(uint32_t);
header.extension.hasTransportSequenceNumber = true;
int64_t arrival_time_ms = std::min<int64_t>(
std::max<int64_t>(ByteReader<int64_t>::ReadBigEndian(&data[i]), 0),
std::numeric_limits<int64_t>::max() / 2);
i += sizeof(int64_t);
const size_t kMinPacketSize =
sizeof(size_t) + sizeof(uint16_t) + sizeof(uint8_t);
while (i + kMinPacketSize < size) {
size_t payload_size = ByteReader<size_t>::ReadBigEndian(&data[i]) % 1500;
i += sizeof(size_t);
header.extension.transportSequenceNumber =
ByteReader<uint16_t>::ReadBigEndian(&data[i]);
i += sizeof(uint16_t);
cc.OnReceivedPacket(arrival_time_ms, payload_size, header);
clock.AdvanceTimeMilliseconds(5);
arrival_time_ms += ByteReader<uint8_t>::ReadBigEndian(&data[i]);
i += sizeof(uint8_t);
cc.MaybeProcess();
}
}
} // namespace webrtc
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